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wifi: mt76: do not add wcid entries to sta poll list during MCU reset

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Fixes linked list management issues during restart, where sta entries
can be recreated and reinitialized while still in the poll list, triggering
kernel warnings.

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2024-12-30 18:40:23 +01:00
parent 5fe42ec88f
commit 1884f568ba
9 changed files with 29 additions and 77 deletions
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mac80211.c
+12
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@@ -1676,6 +1676,18 @@ void mt76_wcid_cleanup(struct mt76_dev *dev, struct mt76_wcid *wcid)
}
EXPORT_SYMBOL_GPL(mt76_wcid_cleanup);
void mt76_wcid_add_poll(struct mt76_dev *dev, struct mt76_wcid *wcid)
{
if (test_bit(MT76_MCU_RESET, &dev->phy.state))
return;
spin_lock_bh(&dev->sta_poll_lock);
if (list_empty(&wcid->poll_list))
list_add_tail(&wcid->poll_list, &dev->sta_poll_list);
spin_unlock_bh(&dev->sta_poll_lock);
}
EXPORT_SYMBOL_GPL(mt76_wcid_add_poll);
int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
int *dbm)
{